Want to know why you're paying too much for your energy? Which? reveals what you should know about how the energy market works. And how you can save money.
Halogen light bulbs will remain on the shelves for two extra years after EU member states delayed the phasing-out of halogen bulbs until 2018.
Which? reviewBest boilers
Use our expert reviews to find a Best Buy boiler to suit you and stay toasty all winter long.
Which? guideCheaper energy bills
Save money on your gas and electricity bills, and calculate how much different appliances cost to run.
Essentials & tips
Energy companies rated
Discover the results of our annual energy company survey to see which are the best - and worst - suppliers around.
Should you buy solar panels?
See our guide to solar panel systems, from the types to the costs and savings, to find out whether it's right for you.
Get the best price for heating oil
Our guide talks you through buying a heating oil tank, maintaining and fixing one, and how to get the best price.
Energy saving tools and calculators
From washing machines to batteries, find out how to recycle electrical items with our product recycling tool.
Find out how much your appliances are costing you to run with our easy to use cost calculators.
Has your washing machine developed a fault? See if it can be fixed using our free troubleshooter.